This modification, or according to some purists blasphemy, resulted in the roofless F40 which is nowadays known as the F40 Barchetta or F40 Beurlys. Along with the removal of the roof, the double-wishbone suspension was switched to a push-rod actuated coilover system.

The exhaust system was also modified and re-routed, they now exited before the rear wheels. A full steel roll cage along was installed for safety reasons and to provide more rigidity, as well as a lexan windshield to offer some driver protection.